题目内容

距离测量时,标定每尺段端点位置采用()。

A. 花杆
B. 木桩
C. 测钎
D. 水准尺

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Examine the commands executed to monitor database operations: $> conn sys oracle/oracle@prod as sysdba SQL > VAR eid NUMBER SQL > EXEC: eid := DBMS_SQL_MONITOR.BEGIN_OPERATION (‘batch_job’ , FORCED_TRACKING => ‘Y’); Which two statements are true?()

A. Database operations will be monitored only when they consume a significant amount of resource.
B. Database operations for all sessions will be monitored.
C. Database operations will be monitored only if the STATISTICS_LEVEL parameter is set to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC + tuning.
D. Only DML and DDL statements will be monitored for the session.
E. All subsequent statements in the session will be treated as one database operation and will be monitored.

废气再循环是将排出的气体引入()。

A. 节气门
B. 燃烧室
C. 排气歧管
D. 消音器

“花今天的钱,圆明天的梦”,形容的是()

过失致人死亡罪的概念和主要特征是什么?认定本罪应划清哪些界限?

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